Question

at the end of dna replication, each complete dna helix contains _______. one old strand and one new strand two old strands two new strands need help? review these concept resources. rate your confidence to submit your answer. high medium reading © 2025 mcgraw hill. all rights reserved. privacy center terms of use

Explanation:

DNA replication is semi - conservative. The original DNA double - helix unwinds, and each old strand serves as a template for the synthesis of a new complementary strand. So, at the end of replication, each new DNA helix has one old strand and one new strand.

Answer:

one old strand and one new strand